36results about How to "Strong ability to adapt to the environment" patented technology

The invention discloses a high-voltage transmission line / tower remote video on-line monitoring system which comprises a multifunctional monitoring base station, a wireless communication network and a remote monitoring center; the multifunctional monitoring base station is connected with the remote monitoring center through the wireless communication network and is arranged on the tower of the high voltage transmission line; the wireless communication network supports the video communication; the multifunctional monitoring base station is used for acquiring the spot scene information, and sending the spot scene information to the remote monitoring center through the wireless communication network; and the spot scene information comprises the video / image, audio frequency, spot monitoring data as well as early warning / warning message of the high-voltage transmission line / tower. In the invention the high-voltage transmission line / tower spot scene is transmitted to the remote monitoring center through the wireless communication network synchronization, thus the monitoring center operator can grasp the running state of the high-voltage transmission line / tower timely and accurately, and the comprehensive monitoring of the high-voltage transmission line / tower is realized.

The invention relates to an underwater biomimetic robotic fish which comprises a main cabin body, pectoral fins respectively arranged on both sides of the main cabin body, a driving module arranged on the rear part of the main cabin body, a fan-shaped tail fin arranged on the rear part of the driving module and connected with the driving module through upper and lower connecting rods, and a dynamic seal mechanism arranged between the upper connecting rod and the output end of the driving module; the main cabin body comprises a casing with windows on left and right sides, and a bottom window, each window is respectively connected with a side cover and a bottom cover, and a sliding block device is connected with the bottom cover; the sliding block device comprises a front bracket and a rear bracket arranged on the bottom cover, the front and rear brackets are connected with a screw rod and a polished rod through bearings, a sliding block is nested on the screw rod and the polished rod, one end of the screw rod penetrates through the rear bracket to connect with a lower gear, the lower gear is meshed with an upper gear, the upper gear is fixedly connected the output end of a serial motor, and the serial motor is fixed on the upper part of the rear bracket. The invention has good underwater three-dimensional movement ability, certain environment adaptability, stability and reliability, flexible movement, is used for underwater resource exploration, marine salvage, rescue and other tasks, and also can play a significant role in future sea battle missions.

The invention relates to an in-situ repair method of bottom mud in a city watercourse. The method specially comprises the steps of: vertically placing straight tubular cellular filler in bottom mud in a watercourse for in-situ fixing the bottom mud; then, casting a bottom mud repairer to a water body paved with the cellular filler, wherein the repairer sinks into the water body and falls into a filler tube of the cellular filler; under protection of the cellular filler, performing in-situ repair of bottom mud pollution through adsorbing and biological degrading effects of the bottom mud repairer. The method provided by the invention can establish good conditions for a healthy biological system of the watercourse, so that the water body is purified fundamentally. The method has the characteristics of good repairing effect, low cost, simpleness in operation, convenience in construction and maintenance and management, no influence on shipping function of the watercourse, no secondary pollution risk and the like.

The invention discloses an LED display screen field testing apparatus comprising a pneumatic lifting rod, an air pump, an optical testing device, a reference platform, a fixing pedestal, a portable power supply, a computer, and a three-dimensional rotary holder. The pneumatic lifting rod is vertically installed on the fixing pedestal and is driven by the air pump to stretch and retract. The reference platform is horizontally installed on the top of the pneumatic lifting rod. The three-dimensional rotary holder is installed on the reference platform and is driven by a driving device to perform three-dimensional rotation. The optical testing device is installed on the three-dimensional rotary holder. The computer is used for acquiring and displaying images captured by the optical testing device in real time. By controlling the pneumatic lifting rod to ascend and descend and controlling the three-dimensional rotary holder to perform three-dimensional rotation, the optical testing device is driven to freely ascend, descend, and three-dimensionally rotate. The portable power supply supplies power to the air pump, the optical testing device, the computer, and the driving device. The testing apparatus and testing method have advantages of high testing accuracy, good environment suitability, convenient installation and transport, and high automation degree.

The invention discloses a sample measuring cell. The sample measuring cell comprises a reflection cavity and at least a reflection structure, wherein the reflection cavity is used for containing samples to be measured; the reflection structures are arranged on the boundary of the reflection cavity and comprise at least a contact surface and two reflecting surfaces; the contact surfaces are used for coming into contact with the samples; the reflecting surfaces are far away from the samples; and the reflecting surfaces are fully reflecting surfaces or are not fully reflecting surfaces. The sample measuring cell has the beneficial effects that the sample contact surfaces have chemical inertness toward the samples, and meanwhile, the reflecting surfaces are far away from the samples to be measured, so that the impurities in the samples to be measured and in samples cannot damage the reflecting surfaces playing a reflecting role; therefore the sample measuring cell has the advantages of strong adaptive capacity to environment and long optical path.

The invention discloses a micro-power wireless meter reading method. The method comprises the following steps: (1) when a concentrator starts to read a meter, the concentrator selects a route to carry out networking; (2) during the networking process, the central node judges whether the routing table contains an undetected route for the sub-node or not in advance; if the answer is positive, the central node judges whether a route, which has been successfully detected in the previous related business of the sub-node, exists in the undetected routes, if the answer is negative, the previous used route is chosen and used to detect the nodes; and if the answer is positive, the undetected rout with the highest weight is chosen and used to detect the nodes; (4) the detection is judged, if the detection is success, the route used in this communication is checked to judge whether the used rout has been reserved in the routing table or not, if the route has been reserved, the weight of the route is updated; and if the rout has not been reserved in the routing table, the route is used to replace the route with the smallest weight in the routing table; (5) if the route detection is success, the routing meter reading is started. The automatic maintenance effect is good, and wireless meter reading is achieved.

The invention provides an automatic tracking method adopting a biaxial pan tilt. The method comprises the following steps: calculating longitude and latitude distances between an airborne end of an unmanned aerial vehicle and a ground end pan tilt and a height distance between the airborne end of the unmanned aerial vehicle and the ground end pan tilt under a current position; calculating a yaw angle theta 1 and a pitch angle theta 2, relative to the ground end pan tilt, of the unmanned aerial vehicle according to the longitude and latitude distances and the height distance; controlling corresponding rotation of the ground end pan tilt according to the yaw angle theta 1 and the pitch angle 2, and aligning a ground end directional antenna to the airborne end of the unmanned aerial vehicle.In addition, the invention also provides a biaxial pan tilt automatic tracking system. Compared with the prior art, the method and the system disclosed by the invention have the advantages that small-error alignment can be realized when a distance of the unmanned aerial vehicle is further, and continuous rotation can be realized in the horizontal direction without winding wires. The method and thesystem disclosed by the invention have the advantages of strong adaptive capacity to environment, long data transmission distance, strong anti-interference ability and the like, and can meet market demands more preferably.

The invention discloses a novel modified polyether type dispersing agent and a preparation method thereof. According to the method provided by the invention, an acrylic acid-maleic anhydride-styrol copolymer and polyether containing a functional group have copolymerization under the effect of a catalyst, in the structure, the functional group is used for introducing a block polyether, the obtained modified polyether type dispersing agent not only contains a plurality of carboxylic groups, but also contains aromatic rings [but not belonging to APEO (alkylphenol ethoxylates)] and an amphipathic EO / PO block structure, the stability and the compatibility of a pigment filler can be improved greatly, and adjustment on molecular weight and molecular structure can be performed according to requirements. The preparation method provided by the invention has the advantages that the process is simple, the reaction is mild, and the application is wide.

The invention provides a method for detecting displacement of a non-contact moving target. The displacement is detected by using cross correlation characteristic of a two-value random coding image target and a random matrix. The target which is fixedly connected with an object to be tested and moves along with the object is printed with the two-value random coding image; and a coding value of the coding image corresponds to a two-value random matrix (a target matrix). A target region is photographed at different moments at a fixed optical axis and a fixed visual angle; and a local image of the target obtained each time is decoded to form a sub-matrix (a detection matrix) of the target matrix. Offset of a peak value of a cross correlation function of the detection matrix and the target matrix at different moments is proportional to displacement distance of the object to be tested, so the detection is realized according to the relation. According to characteristics of the cross correlation function of the random matrix, the method has high detection accuracy, high anti-interference capacity and low requirement on image quality and is suitable for long-term on-line automatic detection at different observation distances.

The invention provides a switching system and method of visible light communication and power line communication. According to the system, downlink visible light communication is realized through an LED lamp and a visible light reception module, downlink radio frequency communication is realized through a radio frequency transmitting circuit and a second radio frequency receiving circuit, and switching between visible light communication and radio frequency communication is realized through a first change-over switch and a second change-over switch. If signals of visible light communication are weak, visible light communication is switched to radio frequency communication, and the detection of the signals of visible light communication is realized through a current detection circuit. Normal operation of communication is guaranteed through two downlink communication modes.

The invention relates to an ocean platform submersible pump winding and unwinding method which comprises a hose winch (1), a combined hose (2), a submersible pump (3), a winch bracket (4), a winch barrel (5), a motor (6), a reduction gearbox (7), a control cabinet (8), a seawater output end (9), a hose guiding device (10), pump body guiding frames (11) and pile washing-out pipelines (12). The method is characterized in that the submersible pump (3) is connected to one end of the combined hose (2); the combined hose (2) is wound onto the winch barrel (5) on the hose winch (4); and the motor (6) and the reduction gearbox (7) are started by the control cabinet (8) to realize synchronous winding and unwinding of the submersible pump (8) and the combined hose (2). The method is simple, safe and reliable, is easy to operate, can meet the using requirement of a platform, has high adaptive capacity to environment, avoids being influenced by platform lifting, alleviates the operation intensity of submersible pump winding and unwinding, saves operation time and manpower and has high economic efficiency.

The invention relates to a vehicle-mounted apparatus with functions of positioning, tracking and collision warning, and belongs to the electronic technical field of automobiles. Ear plates are arranged on the left and right side walls of upper and lower shells; limiting surfaces are arranged on the end parts of the front and back side walls; an acceleration sensor is arranged on the left side wall or the right side wall of the upper shell; a circuit board with an emission unit is arranged on the bottom wall of the lower shell; the upper and lower ear plates are connected through screws, and a cantilever beam type metal substrate is crimped between the upper and lower ear plates; the metal substrate, and piezoelectric wafers which are pasted on the upper and lower sides of the metal substrate form a piezoelectric vibrator; a moving magnet I and a mass block are arranged on the upper and lower sides at the free end of the metal substrate respectively; a moving magnet II is mounted at the lower end of the mass block; the moving magnet I, the mass block and the moving magnet II form an excitation arm; the width of the inner cavities of the upper and lower shells is less than that of the metal substrate, and greater than that of the piezoelectric wafers; and a fixed magnet I is mounted on the top wall of the upper shell while a fixed magnet II is mounted on the bottom wall of the lower shell. The vehicle-mounted apparatus with the functions of positioning, tracking and collision warning has the advantages and characteristics of high environmental adaptability, wide effective frequency band, high power generation capacity, and high reliability; and meanwhile, the vehicle-mounted apparatus can be used as an independent part to be embedded in a hidden place of the vehicle body, so that the vehicle-mounted apparatus is safe and reliable.

The invention relates to an ecological bottle with aquarium fishes. The ecological bottle contains the aquarium fishes, green plants, a microbial flora, alga larvae, shells, color stones, ornaments, water, an automatic temperature control base and an intelligent lighting system. The ecological bottle is a stable ecological system manufactured based on the ecology principle and contains basic elements of a food chain, and in this way, the ecological bottle almost does not need water changing or feeding. If storage conditions are net and feeding is not performed, the survival time of the organisms in the ecological bottle can reach more than two mouths; if feeding is performed as required and matter cycle materials are supplied, the survival time of the organisms in the ecological bottle can reach more than half a year.

The invention discloses an improved robust unscented Kalman filter integrated navigation method, and relates to the technical field of integrated navigation. In the prior art, filtering precision is low, consequently, positioning precision is poor, and outlier processing capacity is poor. A purpose of the invention is to solve the problems in the prior art. According to the method, a UWB / MEMS tightly-combined mathematical model is established according to UWB and MEMS inertial navigation positioning principles, and compared with a conventional UWB / MEMS loosely-combined model, the UWB / MEMS tightly-combined mathematical model is higher in positioning precision and stronger in environmental adaptability. According to the invention, aiming at measurement of abrupt change noise and outliers, measurement error criteria are introduced on the basis of a traditional robust algorithm, and the outlier processing capacity is enhanced; and aiming at the problem that a traditional robust algorithm is poor in partial observation interference adjustment capability, and in combination with the actual situation of UWB ranging errors, the invention provides a calculation method of a multi-robust adaptive matrix, wherein the calculation method adjusts a filtering gain matrix in real time according to different error situations of measurement, so that a filter has higher adaptability.

The invention discloses an environment self-adaptive ultrasonic wind measurement system. The system comprises a wind direction and wind speed measurement module, a central processing module, a self-recovery module and a lightning protection module; the wind direction and wind speed measurement module is used for sequentially transmitting ultrasonic signals to obtain calibration flight time, transmitting the ultrasonic signals to obtain measurement flight time and sending the measurement flight time to the central processing module; the central processing module is used for starting the wind direction and wind speed measurement module at regular time, controlling the wind direction and wind speed measurement module to measure the wind speed and the wind direction after self-calibration, calculating the wind speed and the wind direction angle, and outputting thewind speed and the wind direction angle according to a fixed format; the central processing module is also used for controlling the self-recovery module to work to meet the temperature and humidity conditions of the test; the self-recovery module is used for measuring environment temperature, humidity and water vapor indexes, inputting the indexes into the central processing module, and starting a heating mode to enable the temperature, humidity and water vapor indexes of the wind direction and wind speed measurement module to meet test conditions; and the lightning protection module is used for preventing lightning damage.

The invention discloses a full-hydraulic self-propelled paddy field spray tumbrel which is back-guided, three-front-wheeled, self-propelled and full-hydraulic paddy field spray fertilization equipment, adopts an M-type frame design and an adjustable cross beam, and is driven by a large-torque hydraulic motor. The paddy field spray tumbrel adopts a multifunctional design and has a fertilization mode, a leaf surface spraying mode and a line-by-line rice seedling weeding spraying mode, wherein in the fertilization mode, the fertilizer applicator is mounted at the front part of a frame, and a high-speed hydraulic motor is used for driving a throwing wheel with an adjustable pitching angle to perform uniform fertilization operation; in the leaf surface spraying mode, a swing sprayer with adjustable height and angle is mounted at the rear part of a tumbrel seat and can be used for large-area leaf surface spraying operation; in the line-by-line rice seedling weeding spraying mode, the spraying height of a line-by-line rice seedling sprayer can be controlled according to weeds under paddy rice, and a spraying head can be used for spraying under paddy rice leaves in the middle of the paddy field, thereby avoiding the coverage of the paddy rice leaves to chemical liquid. According to the paddy field spray tumbrel, the large-area efficient fertilization spraying operation of the paddy field can be performed, the problem of no mechanical assistance during the middle and later-period management of the paddy field is solved, the labor intensity is greatly reduced, and the efficiency is improved.

The invention discloses a time synchronization signal processing method based on FM broadcast signals. The method comprises the steps that the FM broadcast audio signals are subjected to A / D sampling and converted into digital voltage values; real-time detecting and processing are conducted to obtain feature results of the FM broadcast audio signals; the feature results are judged and matched with five-short-and-one-long signals to complete time synchronization. When integral time approaches, the digital voltage values are processed and judged in real time so as to start real-time detection of the five-short-and-one-long signals for FM integral time broadcasting. According to the method, time synchronization is realized through a mode matching method; since time synchronization can be realized just by conducting simple A / D sampling on the FM broadcast audio signals, the implementation difficulty is low, and cost is low; moreover, the time synchronization accuracy is high and can reach 20 micron seconds theoretically; a common microprocessor can be used for time synchronization, so that the application range is wide.

The invention discloses a fiber grating dislocation gauge with a wedge-shaped structure. The fiber grating dislocation gauge comprises a sliding head, rectangular-section overhanging beams, a fiber grating, a driving rod, a limiting plate, a spring, a wedge block, a protective shell and a sliding conduction arm; a sensing part is formed by the sliding head, the overhanging beams, the fiber grating, the driving rod, the spring, the wedge block, and the like; a conduction part is formed by a fixed rod and a sliding rod; the mechanism of the dislocation gauge is as follows: free ends of the overhanging beams are enabled to slide along an inclined plane of the wedge block by means of the sliding of the sliding head, so that the differential settlement is converted into the deflection at the free ends of the overhanging beams, and the Bragg reflection wavelength of the sensing fiber grating, which is stuck at the position close to fixed ends of the overhanging beams, is further changed; furthermore, the problem of cross sensitivity of the fiber grating is solved by using a reference grating method. The fiber grating dislocation gauge provided by the invention is high in measurement accuracy, adjustable, high in environmental adaptability and good in stability, and has a temperature self-compensating function and anti-electromagnetic interference performance, thus having better engineering application prospect.

The invention discloses a cooling device for an automobile part, relates to cooling of general machines or engines, and aims at solving the problems of small cooling efficiency of the traditional air-cooling and liquid cooling process. The device comprises a plurality of radiating plates, cooling tubes, and an air channel fixed on the cooled automobile part, wherein the radiating plates are divided into a right radiating plate group and a left radiating plate group; the outer side ends of the radiating plates in the right radiating plate group and the outer side ends of the radiating plates in the left radiating plate group are relatively fixed to two inner sides of the air channel; the inner side ends of the radiating plates in the right radiating plate group and the inner side ends of the radiating plates of the left radiating plate group are staggered and form gaps with the sidewall of the air channel; the cooling tubes are inserted into the radiating plates. The device is small in structure and can efficiently cool the automobile part.

The present invention relates to the field of robot technology, and in particular to a landmark positioning robot system and landmarks and robots used thereby, and a robot landmark positioning method.A robot positioning landmark comprises an RFID card and a non-central symmetric graphic identity. A landmark positioning robot comprises a robot body with a mobile function, an RFID card reader, anda camera module. A RFID card reader antenna is disposed on the bottom of the robot. The bottom of the robot is provided with a shooting window. The camera module is disposed in the robot body and thecamera shoots the window toward the bottom of the robot. A landmark positioning robot system comprises a plurality of the above landmarks and at least one of the above robots, and a host computer. Thehost computer comprises a wireless communication module, and the robot also comprises a wireless communication module.

The invention discloses a dewatering and drainage system with detachable water collection tanks and a dewatering and drainage method of the dewatering and drainage system and relates to the field of municipal deep foundation pit dewatering and drainage construction. The dewatering and drainage system comprises a dewatering well, a water collection tank set, drainage pipes and a dewatering pipe. The water collection tank set comprises a one-way water collection tank, a two-way direct-connection water collection tank, a two-way corner water collection tank, a three-way water collection tank and a four-way water collection tank. Each of the one-way water collection tank, the two-way direct-connection water collection tank, the two-way corner water collection tank, the three-way water collection tank and the four-way water collection tank comprises a bottom plate and a cylindrical plate fixed to the bottom plate, each bottom plate and the corresponding cylindrical plate form a box-shaped structure without a cover. The cylindrical plates are all provided with holes and connector pipes arranged on the holes. The drainage pipes are detachably connected to the connector pipe. One end of the dewatering pipe is located in any one of the water collection tank set, the other end is located in the dewatering well, and the end portion of the end, located in the dewatering well, of the dewatering pipe is provided with a water pump. According to the dewatering and drainage system and method, the water collection tanks which can be detached and used repeatedly can be arranged flexibly according to the terrain environment, and the system is low in cost and high in adaptive capacity.

The invention provides an autonomous underwater robot wireless sensor network with dynamic nodes, which comprises a main node serving as a water surface gateway, a sink node serving as an information relay transmission medium and a sensor node, and is characterized in that the main node comprises a radio modem of a water surface part and an acoustic modem of an underwater part; the sink node comprises a power amplifier, a signal processing unit and an interface gain control module which are respectively in data transmission and communication with the sink node; the sensor node comprises an autonomous underwater robot central control module loaded with various sensors and a sensor module, and the sensor module comprises a navigation module and a motion planning module; the wireless sensor network of the autonomous underwater robot with the dynamic nodes is unpowered, the multiple dynamic nodes communicate with one another to transmit information, and it is guaranteed that the autonomous underwater robot can continuously adjust the speed tracking deviation so that the actual position of the autonomous underwater robot can be continuously adjusted to track a time-varying expected trajectory.

The present invention discloses a field test device for LED display screens, comprising a pneumatic lifting rod, an air pump, an optical testing device, a reference platform, a fixed base, a portable power supply, a computer, and a three-dimensional rotating pan platform, and the pneumatic lifting rod is vertically installed on the fixed base , is driven by an air pump to expand and contract; the reference platform is installed horizontally on the top of the pneumatic lifting rod, and the three-dimensional rotating head is installed on the reference platform, which is driven by the driving device to perform three-dimensional rotation; the optical test device is installed on the three-dimensional rotating head; the computer is used for real-time acquisition And display the image taken by the optical test device, and drive the optical test device to rise and fall freely and three-dimensionally rotate by controlling the lifting rod to do the lifting movement and the three-dimensional rotating pan-tilt for three-dimensional rotation; the portable power supply supplies power for the above-mentioned air pump, optical test device, computer, and driving device . The test device and method of the present invention have the advantages of high test accuracy, strong environmental adaptability, convenient disassembly and transportation, and high degree of automation.

The invention discloses an antistatic heat-insulating aluminum film bag. The antistatic heat-insulating aluminum film bag comprises a bag body; from outside to inside, the bag body comprises a sunscreen shell fabric layer, a thermal dispersing thermal insulating shell fabric layer, an aluminum film layer, and a supporting layer successively; the sunscreen shell fabric layer is prepared via blending and knitting of polyester fiber and mulberry silk fiber; the thermal dispersing thermal insulating shell fabric layer is prepared via blending and knitting of tencel fiber and flax fiber; the support layer comprises a metal layer and a textile fabric used for covering the surface of the metal layer; the textile fabric is prepared via sewing of an antistatic knitted cloth; the antistatic knitted cloth is prepared via weaving of monofilament spandex and anti-static fiber. According to a preparation method, the shielding bag possesses excellent thermal insulating effect via adopting of sunscreen shell fabric and the thermal dispersing thermal insulating shell fabric; and the supporting layer is used for effectively solving problems that static is generated in storage and transportation processes, and structural strength of the shielding bag is low. Environmental adaptive capacity of the antistatic heat-insulating aluminum film bag is excellent; application range is wide; and the antistatic heat-insulating aluminum film bag is capable of adapting different processing environment preferably.

The invention discloses a non-blind area real-time monitoring and alarming system for highway sudden accidents, belongs to the field of photoelectricity, and can solve the problems that the existing whole-course information monitoring of the highway is lack of all-road-section, all-weather and timeliness, is easily restricted by severe environments such as rainy, foggy and snowy days or unclear sight at night and the like. The system comprises a distributed sound wave detection optical cable, a sound wave signal demodulator, a network switch, a work station and a monitoring terminal. Through a sensing optical fiber network composed of a series of reflection nodes distributed at equal intervals, sound wave signals generated when traffic accidents happen are monitored at a high speed in real time without blind areas, the traffic accidents are accurately positioned by analyzing frequency components, and alarm information is sent in time. Real-time on-line monitoring and timely alarm without blind areas along the highway are achieved, linkage is carried out through a local area network and a video and unmanned aerial vehicle inspection system, accurate positions and types of faults are provided, and large-capacity and long-distance distributed sound wave monitoring is achieved.

The invention discloses a making method of dried litchi. The method comprises the following steps: 1, raw material selection; 2, raw material processing; 3, heating; 4, baking; 5, drying in the sun; and 6, finished product packaging and storage. The making method of the dried litchi is good, allows the quality of the dried litchi to be good, and can be promoted nationwide.

The invention discloses a time synchronization signal processing method based on FM broadcast signals. The method comprises the steps that the FM broadcast audio signals are subjected to A / D sampling and converted into digital voltage values; real-time detecting and processing are conducted to obtain feature results of the FM broadcast audio signals; the feature results are judged and matched with five-short-and-one-long signals to complete time synchronization. When integral time approaches, the digital voltage values are processed and judged in real time so as to start real-time detection of the five-short-and-one-long signals for FM integral time broadcasting. According to the method, time synchronization is realized through a mode matching method; since time synchronization can be realized just by conducting simple A / D sampling on the FM broadcast audio signals, the implementation difficulty is low, and cost is low; moreover, the time synchronization accuracy is high and can reach 20 micron seconds theoretically; a common microprocessor can be used for time synchronization, so that the application range is wide.

The invention discloses escherichia coli integrated with amino acid oxidase and glucose dehydrogenase, and belongs to the technical field of bioengineering. According to the invention, L-amino acid oxidase and glucose dehydrogenase genes are integrated into escherichia coli chromosomes in a multi-site multi-copy manner by adopting a synthetic biological technical means, so that escherichia coli has better growth characteristics, and the final quantity of strains cultured in a high-density manner can be increased by more than 30% compared with that of original strains. When the engineering bacterium is applied to production of tanshinol, the yield of tanshinol can reach 87.46 mM, hydroxytyrosol can be well produced, and the yield of hydroxytyrosol can reach 54.43 mM.

The invention discloses an air component analysis and recording device in a greenhouse. The device comprises a vehicle body, supporting legs are arranged at the bottom of the vehicle body, four supporting legs are arranged in total, wheels are arranged at the bottom ends of the four supporting legs, a first motor is arranged at the bottom of the supporting leg at the front side of the right end, an output end of the first motor penetrates through the supporting leg, the output end of the first motor is connected with the wheel, a processing box is arranged at the top end of the vehicle body, abattery box is arranged at the top end of the vehicle body, a lithium battery is arranged in the battery box, an air analyzer is arranged in the processing box, an upright post is arranged at the topof the processing box, and a conduit is arranged in the upright post. According to the air component analysis and recording device disclosed by the invention, all devices are installed on the vehiclebody, the first motor at the bottom of the supporting leg drives the wheel to rotate so as to achieve the advance or retreat of the vehicle body, the lithium battery in the battery box supplies powerto the first motor and the air analyzer and a second motor in the processing box, the air analyzer intakes air from the outside via the conduit so as to analyze the air components, the structure is simple, the environmental adaptability is high, and the use is wider.